The Gear,spur, cataloged under National Stock Number 3020-00-541-5552, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Liquid Controls, L.l.c. Div Idex Corporation. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-541-5552 |
| Primary Part Number | A40122 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Liquid Controls, L.l.c. Div Idex Corporation |
| Status | ACTIVE |
| Nominal Width Across Flats | 0.254 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.5625 INCHES FIRST END IN |
| Teeth Quantity | 24 |
| Body Style | WEBBED, SOLID |
| Bore Style | HEX BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 1.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 1.2344 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | PLASTIC OVERALL |
| Face Nominal Width | 0.250 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A40122 PRIMARY | Liquid Controls, L.l.c. Div Idex Corporation (USA) |
NSN 3020-00-541-5552 is a Gear,spur, manufactured by Liquid Controls, L.l.c. Div Idex Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-541-5552 has 1 manufacturer part number on file: A40122 (Liquid Controls, L.l.c. Div Idex Corporation).
Key specifications for A40122: Nominal Width Across Flats: 0.254 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.5625 INCHES FIRST END IN; Teeth Quantity: 24; Body Style: WEBBED, SOLID. 14 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.